AAA was the defacto aftermarket brand that Honda dealers sold in the 1970's. Not certain what it fits, likely a CB CL360, or CB CL450 but no guarantee
This is a very nice rack, very little surface rust. Mounting measurements are shown. It also has an extra mounting tab on each side. Often this was to relocate the turn signals that had to be relocated.
An issue is that it is missing one of its shock mounts, missing completely as pointed out in one of the pictures. If you can weld or braze you will be buying a rack at about 1/3 of its usual cost. Please make certain this is the rack you are looking for as there is no return of parts.